I/O module unit



FIG. 1 is a front, top and right perspective view of an I/O module unit showing our new design;

FIG. 2 is a front, top and left perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof; and,

FIG. 9 is a perspective view thereof in use.

The broken lines in FIG. 9 show environment that forms no part of the claimed design. 

CLAIM The ornamental design for an I/O module unit, as shown and described. 